Allow click to work even when keyboard is shown on mobile device

mobilekeyboardfix.jquery.js

/*
    Make the submit button "click" even when the keyboard is shown
    
    http://stackoverflow.com/questions/24306818/form-submit-button-event-is-not-captured-when-keyboard-is-up-ios-7
    http://stackoverflow.com/questions/12690620/checking-if-touchend-comes-after-a-drag
    
    Note: requires jQuery
*/
$(function(){
  //  Check if the user is dragging
  var isDragging;
  $(document).on("touchstart", function () {
      isDragging = false;
  });
  $(document).on("touchmove", function () {
      isDragging = true;
  });
  //  The touchend even fires, even when keyboard is open
  $(document).on('touchend', 'form :input[type=submit]', function (e) {
      if (isDragging) {
          return false;
      }
      //  Fire the associated click event
      $(this).click();
      e.preventDefault();
      return false;
  });
}(window.jQuery || $));